JPH0194914U - - Google Patents
Info
- Publication number
- JPH0194914U JPH0194914U JP19094887U JP19094887U JPH0194914U JP H0194914 U JPH0194914 U JP H0194914U JP 19094887 U JP19094887 U JP 19094887U JP 19094887 U JP19094887 U JP 19094887U JP H0194914 U JPH0194914 U JP H0194914U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- scope
- cooling
- tube
- innermost
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
第１図は本考案の一実施例を示す断面側面図、
第２図はその要部拡大図である。第３図は従来例
を示す断面側面図である。
２……窓ガラス、２ａ……外面、３……最内装
管、４……第１管、５……第２管、６……第３管
、７……パージガス流路、８，９……冷却水路、
２１……スコープ収納室。
FIG. 1 is a cross-sectional side view showing an embodiment of the present invention;
Figure 2 is an enlarged view of the main parts. FIG. 3 is a cross-sectional side view showing a conventional example. 2... Window glass, 2a... Outer surface, 3... Innermost tube, 4... First tube, 5... Second tube, 6... Third tube, 7... Purge gas flow path, 8, 9... ...cooling waterway,
21...Scope storage room.
Claims (1)
て、観察スコープが収納されるスコープ収納室と
、前記スコープ収納室の前記最内装管の外周面及
び前記窓ガラスの外面にわたつてパージガスが流
れるように、前記最内装管に外嵌された第１管と
、前記第１管を冷却するための冷却水路を形成す
るように、前記第１管のさらに外周に外嵌された
第２管、第３管が順次配置されてなることを特徴
とする観察スコープ用冷却管。 The distal end window glass and the innermost tube are formed in a sealed manner, and purge gas is supplied to the scope storage chamber in which the observation scope is stored, the outer peripheral surface of the innermost tube of the scope storage chamber, and the outer surface of the window glass. a first pipe fitted over the innermost pipe so as to flow; and a second pipe fitted over the outer periphery of the first pipe so as to form a cooling waterway for cooling the first pipe. , a cooling tube for an observation scope, characterized in that third tubes are arranged in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19094887U JPH0194914U (en) | 1987-12-15 | 1987-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19094887U JPH0194914U (en) | 1987-12-15 | 1987-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0194914U true JPH0194914U (en) | 1989-06-22 |
Family
ID=31481883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19094887U Pending JPH0194914U (en) | 1987-12-15 | 1987-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0194914U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010026391A (en) * | 2008-07-23 | 2010-02-04 | Olympus Corp | Endoscope guide tube and endoscope system |
| JP2014092564A (en) * | 2012-10-31 | 2014-05-19 | Olympus Corp | Cooling device for endoscope |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5987422A (en) * | 1982-11-11 | 1984-05-21 | Kobe Steel Ltd | Inner observation device |
-
1987
- 1987-12-15 JP JP19094887U patent/JPH0194914U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5987422A (en) * | 1982-11-11 | 1984-05-21 | Kobe Steel Ltd | Inner observation device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010026391A (en) * | 2008-07-23 | 2010-02-04 | Olympus Corp | Endoscope guide tube and endoscope system |
| JP2014092564A (en) * | 2012-10-31 | 2014-05-19 | Olympus Corp | Cooling device for endoscope |